In the news tonight, another blow for celebri paula deen. The biggest store in the world, walmart, has just become the latest company to sever ties. And this, on a day deen made a plea for a second chance. Abc's steve osunsami. I want people to know who i am. Reporter: It was her most emotional and defensive moment yet. Southern cooking's most successful businesswoman breaking down into tears, trying to save her brand. I'm not an actress. I'm heartbroken. Reporter: Paula deen told nbc it was 30 years ago when she last used a racial slur. If there's anyone out there that has never said something that they wish they could take back, if you're out there, please pick up that stone and throw it so hard at my head that it kills me. Reporter: But at walmart today, where they sell her dishes, candles and knife sets, her tears weren't enough, and they announced, quote, we are ending our relationship with paula deen enterprises. Today, caesars casinos left her, too, closing her restaurants. I'm so happy to be showing y'all my new stoneware. Reporter: At kmart and sears today where they sell her cookware, they are currently exploring the next steps. Without question, she's working hard to keep the parterer ins she still has left. Relationships worth nearly $16 million. It's going to be a tough road to get back her empire, but she's got to do it now. Because in a year, someone else will have replaced her. Reporter: Today, her representatives shared letters of support from smaller partners like springer mountain farms chicken, who, quote, truly believe her when she says she is sorry. Can she move on? I think we -- actually no, I don't think she can move on yet. Reporter: But the sun is still shining on paula deen. Tonight, advance sales of her latest cook book are up by more than 1,000%. Steve osunsami, abc news, atlanta.

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